PT-2022-6197 · Linux+3 · Linux Kernel+3

Rohit Keshri · Published 2022-11-25 · Updated 2023-08-14 · CVE-2023-0468

Positive Technologies (AI Summary)

CVSS v3.1

4.7

Medium

Base vector

AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions Linux Kernel (affected versions not specified)

Description A use-after-free flaw was found in the io uring subcomponent of the Linux Kernel due to a race condition in the poll refs() function. This issue may cause a NULL pointer dereference, potentially leading to a denial of service.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Use After Free

NULL Pointer Dereference

Weakness Enumeration

CWE-416

CWE-476

Related Identifiers

ALT-PU-2022-3364

ALT-PU-2022-3371

ALT-PU-2023-1023

ALT-PU-2023-1064

ALT-PU-2023-1684

ALT-PU-2023-1741

ALT-PU-2023-1814

ALT-PU-2023-4894

AZL-13169

BDU:2023-00457

CVE-2023-0468

LSN-0094-1

USN-5912-1

USN-5935-1

USN-5938-1

USN-5941-1

USN-5962-1

USN-6024-1

USN-6071-1

USN-6072-1

Affected Products

Alt Linux

Linux Kernel

Linuxmint

Ubuntu

References · 70

• 🔥 https://bugzilla.redhat.com/show_bug.cgi?id=2164024 · Exploit
• https://osv.dev/vulnerability/USN-5912-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-1032 · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-1281 · Vendor Advisory
• https://ubuntu.com/security/CVE-2022-47929 · Vendor Advisory
• https://osv.dev/vulnerability/USN-5938-1 · Vendor Advisory
• https://osv.dev/vulnerability/USN-5962-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2022-41218 · Vendor Advisory
• https://ubuntu.com/security/CVE-2022-4662 · Vendor Advisory
• https://ubuntu.com/security/CVE-2022-3344 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-5935-1 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-6071-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2022-42328 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2023-0468 · Vendor Advisory
• https://osv.dev/vulnerability/USN-5941-1 · Vendor Advisory